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Bug 351508

Summary:	NPE when no graph members.
Product:	[Modeling] AMP	Reporter:	Miles Parker <milesparker>
Component:	Escape	Assignee:	Miles Parker <milesparker>
Status:	NEW ---	QA Contact:	Miles Parker <milesparker>
Severity:	normal
Priority:	P3
Version:	0.9.0
Target Milestone:	---
Hardware:	All
OS:	All
Whiteboard:

Description Miles Parker

2011-07-07 23:58:41 EDT

When a graph / network has no population, we get an NPE:


java.lang.NullPointerException
	at org.eclipse.amp.agf.GraphicsAdapter.getFigures(GraphicsAdapter.java:61)
	at org.eclipse.amp.agf.GraphicsAdapter.getAdapter(GraphicsAdapter.java:111)
	at org.eclipse.amp.agf.zest.ZestStyleProvider.getFigureProvider(ZestStyleProvider.java:214)
	at org.eclipse.amp.agf.zest.ZestStyleProvider.getFigure(ZestStyleProvider.java:177)
	at org.eclipse.zest.core.viewers.internal.GraphModelEntityFactory.doBuildGraph(GraphModelEntityFactory.java:69)
	at org.eclipse.zest.core.viewers.internal.AbstractStylingModelFactory.refreshGraph(AbstractStylingModelFactory.java:305)
	at org.eclipse.zest.core.viewers.internal.AbstractStructuredGraphViewer.internalRefresh(AbstractStructuredGraphViewer.java:323)
	at org.eclipse.jface.viewers.StructuredViewer$7.run(StructuredViewer.java:1508)
	at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1443)
	at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1404)
	at org.eclipse.jface.viewers.StructuredViewer.refresh(StructuredViewer.java:1506)
	at org.eclipse.jface.viewers.StructuredViewer.refresh(StructuredViewer.java:1465)
	at org.eclipse.amp.agf.zest.GraphViewPart$1.update(GraphViewPart.java:127)
	at org.eclipse.amp.axf.view.SWTAsyncModelListener.doUpdate(SWTAsyncModelListener.java:138)
	at org.eclipse.amp.axf.view.SWTAsyncModelListener.access$1(SWTAsyncModelListener.java:135)
	at org.eclipse.amp.axf.view.SWTAsyncModelListener$ReportingRunner.run(SWTAsyncModelListener.java:48)
	at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
	at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135)
	at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3935)
	at org.eclipse.swt.widgets.Display.observerProc(Display.java:3522)
	at org.eclipse.swt.internal.cocoa.OS.objc_msgSendSuper(Native Method)
	at org.eclipse.swt.widgets.Display.applicationNextEventMatchingMask(Display.java:4876)
	at org.eclipse.swt.widgets.Display.applicationProc(Display.java:5223)
	at org.eclipse.swt.internal.cocoa.OS.objc_msgSendSuper(Native Method)
	at org.eclipse.swt.widgets.Widget.callSuper(Widget.java:220)
	at org.eclipse.swt.widgets.Widget.mouseDownSuper(Widget.java:1092)
	at org.eclipse.swt.widgets.Widget.mouseDown(Widget.java:1084)
	at org.eclipse.swt.widgets.Control.mouseDown(Control.java:2519)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:5468)
	at org.eclipse.swt.internal.cocoa.OS.objc_msgSendSuper(Native Method)
	at org.eclipse.swt.widgets.Widget.callSuper(Widget.java:220)
	at org.eclipse.swt.widgets.Widget.windowSendEvent(Widget.java:2092)
	at org.eclipse.swt.widgets.Shell.windowSendEvent(Shell.java:2255)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:5532)
	at org.eclipse.swt.internal.cocoa.OS.objc_msgSendSuper(Native Method)
	at org.eclipse.swt.widgets.Display.applicationSendEvent(Display.java:4986)
	at org.eclipse.swt.widgets.Display.applicationProc(Display.java:5135)
	at org.eclipse.swt.internal.cocoa.OS.objc_msgSend(Native Method)
	at org.eclipse.swt.internal.cocoa.NSApplication.sendEvent(NSApplication.java:128)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3607)
	at org.eclipse.jface.window.Window.runEventLoop(Window.java:825)
	at org.eclipse.jface.window.Window.open(Window.java:801)
	at org.eclipse.ui.internal.views.log.EventDetailsDialog.open(EventDetailsDialog.java:180)
	at org.eclipse.ui.internal.views.log.EventDetailsDialogAction.run(EventDetailsDialogAction.java:98)
	at org.eclipse.ui.internal.views.log.LogView$15.doubleClick(LogView.java:535)
	at org.eclipse.jface.viewers.StructuredViewer$1.run(StructuredViewer.java:845)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:49)
	at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175)
	at org.eclipse.jface.viewers.StructuredViewer.fireDoubleClick(StructuredViewer.java:843)
	at org.eclipse.jface.viewers.AbstractTreeViewer.handleDoubleSelect(AbstractTreeViewer.java:1462)
	at org.eclipse.jface.viewers.StructuredViewer$4.widgetDefaultSelected(StructuredViewer.java:1246)
	at org.eclipse.jface.util.OpenStrategy.fireDefaultSelectionEvent(OpenStrategy.java:249)
	at org.eclipse.jface.util.OpenStrategy.access$0(OpenStrategy.java:246)
	at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:307)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4125)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1457)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1480)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1465)
	at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1270)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3971)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3610)
	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2696)
	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2660)
	at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2494)
	at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:674)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:667)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:123)
	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:344)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:622)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1410)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1386)
java.lang.NullPointerException
	at org.eclipse.amp.agf.GraphicsAdapter.getFigures(GraphicsAdapter.java:61)
	at org.eclipse.amp.agf.GraphicsAdapter.getAdapter(GraphicsAdapter.java:111)
	at org.eclipse.amp.agf.zest.ZestStyleProvider.getFigureProvider(ZestStyleProvider.java:214)
	at org.eclipse.amp.agf.zest.ZestStyleProvider.getFigure(ZestStyleProvider.java:177)
	at org.eclipse.zest.core.viewers.internal.GraphModelEntityFactory.doBuildGraph(GraphModelEntityFactory.java:69)
	at org.eclipse.zest.core.viewers.internal.AbstractStylingModelFactory.refreshGraph(AbstractStylingModelFactory.java:305)
	at org.eclipse.zest.core.viewers.internal.AbstractStructuredGraphViewer.internalRefresh(AbstractStructuredGraphViewer.java:323)
	at org.eclipse.jface.viewers.StructuredViewer$7.run(StructuredViewer.java:1508)
	at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1443)
	at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1404)
	at org.eclipse.jface.viewers.StructuredViewer.refresh(StructuredViewer.java:1506)
	at org.eclipse.jface.viewers.StructuredViewer.refresh(StructuredViewer.java:1465)
	at org.eclipse.amp.agf.zest.GraphViewPart$1.update(GraphViewPart.java:127)
	at org.eclipse.amp.axf.view.SWTAsyncModelListener.doUpdate(SWTAsyncModelListener.java:138)
	at org.eclipse.amp.axf.view.SWTAsyncModelListener.access$1(SWTAsyncModelListener.java:135)
	at org.eclipse.amp.axf.view.SWTAsyncModelListener$ReportingRunner.run(SWTAsyncModelListener.java:48)
	at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
	at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135)
	at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3935)
	at org.eclipse.swt.widgets.Display.observerProc(Display.java:3522)
	at org.eclipse.swt.internal.cocoa.OS.objc_msgSendSuper(Native Method)
	at org.eclipse.swt.widgets.Display.applicationNextEventMatchingMask(Display.java:4876)
	at org.eclipse.swt.widgets.Display.applicationProc(Display.java:5223)
	at org.eclipse.swt.internal.cocoa.OS.objc_msgSendSuper(Native Method)
	at org.eclipse.swt.widgets.Widget.callSuper(Widget.java:220)
	at org.eclipse.swt.widgets.Widget.mouseDownSuper(Widget.java:1092)
	at org.eclipse.swt.widgets.Widget.mouseDown(Widget.java:1084)
	at org.eclipse.swt.widgets.Control.mouseDown(Control.java:2519)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:5468)
	at org.eclipse.swt.internal.cocoa.OS.objc_msgSendSuper(Native Method)
	at org.eclipse.swt.widgets.Widget.callSuper(Widget.java:220)
	at org.eclipse.swt.widgets.Widget.windowSendEvent(Widget.java:2092)
	at org.eclipse.swt.widgets.Shell.windowSendEvent(Shell.java:2255)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:5532)
	at org.eclipse.swt.internal.cocoa.OS.objc_msgSendSuper(Native Method)
	at org.eclipse.swt.widgets.Display.applicationSendEvent(Display.java:4986)
	at org.eclipse.swt.widgets.Display.applicationProc(Display.java:5135)
	at org.eclipse.swt.internal.cocoa.OS.objc_msgSend(Native Method)
	at org.eclipse.swt.internal.cocoa.NSApplication.sendEvent(NSApplication.java:128)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3607)
	at org.eclipse.jface.window.Window.runEventLoop(Window.java:825)
	at org.eclipse.jface.window.Window.open(Window.java:801)
	at org.eclipse.ui.internal.views.log.EventDetailsDialog.open(EventDetailsDialog.java:180)
	at org.eclipse.ui.internal.views.log.EventDetailsDialogAction.run(EventDetailsDialogAction.java:98)
	at org.eclipse.ui.internal.views.log.LogView$15.doubleClick(LogView.java:535)
	at org.eclipse.jface.viewers.StructuredViewer$1.run(StructuredViewer.java:845)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:49)
	at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175)
	at org.eclipse.jface.viewers.StructuredViewer.fireDoubleClick(StructuredViewer.java:843)
	at org.eclipse.jface.viewers.AbstractTreeViewer.handleDoubleSelect(AbstractTreeViewer.java:1462)
	at org.eclipse.jface.viewers.StructuredViewer$4.widgetDefaultSelected(StructuredViewer.java:1246)
	at org.eclipse.jface.util.OpenStrategy.fireDefaultSelectionEvent(OpenStrategy.java:249)
	at org.eclipse.jface.util.OpenStrategy.access$0(OpenStrategy.java:246)
	at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:307)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4125)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1457)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1480)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1465)
	at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1270)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3971)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3610)
	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2696)
	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2660)
	at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2494)
	at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:674)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:667)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:123)
	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:344)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:622)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1410)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1386)